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MSU-800-BB Battery2V800AH-Valve controlled sealed colloidal batteries are suitable for uninterruptible power supply (UPS), laboratory equipment, and telecommunications systems

SPECIFICATIONS**
- **Nominal Voltage:** 2V
- **Nominal Capacity:** 800Ah @ 10-hour rate F.V. (1.80V/cell)
- **Approx. Weight:** 45.0kg (99.2lbs.)
- **Terminals:** B6 (Fitting M8 bolt & nut, I3 is optional)
- **Internal Resistance:** ≤0.6mΩ (Fully Charged)
- **Max. Discharge Current:** 3200A (5 sec.)
- **Max. Charge Current:** 200A
- **Operating Temperature Range:**
- Charge: 0°C~40°C (32°F~104°F)
- Discharge: -20°C~50°C (-4°F~122°F)
- Storage: -20°C~40°C (-4°F~104°F)
- **Safety Valve:** Opening pressure 10~35 kPa

**DIMENSIONS (mm/inch)**
- **Outer Dimensions:**
- **Length:** 301+2.0 (11.86+0.08)
- **Width:** 175+2.0 (6.89+0.08)
- **Container Height:** 331+2.0 (13.03+0.08)
- **Total Height:** 359+2.0 (14.13+0.08)

## VRLA Rechargeable Battery
### MSU-800 (2V, 800Ah)

**FEATURES**
- Sealed structure, no electrolyte leakage or spillage.
- Suitable for Telecom, UPS, Central Office, and Energy Storage Systems applications.
- High-performance alloy ensures corrosion-proof feature.
- Unique electrolyte system achieves maximum service life.
- Special paste formula promotes good charging acceptance.
- Electrolyte with gel technology.
- Standard ABS (UL94 HB) or optional Flame Retardant ABS (UL94 V-0) container material.

**SPECIFICATIONS**
- **Nominal Voltage:** 2V
- **Nominal Capacity:** 800Ah @ 10-hour rate F.V. (1.80V/cell)
- **Approx. Weight:** 45.0kg (99.2lbs.)
- **Terminals:** B6 (Fitting M8 bolt & nut, I3 is optional)
- **Internal Resistance:** ≤0.6mΩ (Fully Charged)
- **Max. Discharge Current:** 3200A (5 sec.)
- **Max. Charge Current:** 200A
- **Operating Temperature Range:**
  - Charge: 0°C~40°C (32°F~104°F)
  - Discharge: -20°C~50°C (-4°F~122°F)
  - Storage: -20°C~40°C (-4°F~104°F)
- **Safety Valve:** Opening pressure 10~35 kPa

**DIMENSIONS (mm/inch)**
- **Outer Dimensions:**
  - **Length:** 301+2.0 (11.86+0.08)
  - **Width:** 175+2.0 (6.89+0.08)
  - **Container Height:** 331+2.0 (13.03+0.08)
  - **Total Height:** 359+2.0 (14.13+0.08)

**Constant Power Discharge Characteristics at 25°C/77°F (Unit: W)**
| Discharge Time | 1 Hr | 2 Hr  | 3 Hr   | 4 Hr  | 5 Hr   | 6 Hr  | 8 Hr  | 10 Hr  | 12 Hr | 20 Hr  |
|----------------|------|-------|-------|-------|-------|-------|-------|--------|-------|--------|
| 1.85V          | 148.8 | 80.35 | 128.96 | 157.51 | 135.18 | 84.26 | 164.51 | 139.82  | 86.77 | 170.01 |
| 1.80V          | 241.62 | 215.22 | 239.22 | 45.22 | 245.22 | 250.0 | 290.0 | -       | -     | -      |

**Constant Current Discharge Characteristics at 25°C/77°F**
| Discharge Time | 1 Hr | 2 Hr  | 3 Hr   | 4 Hr  | 5 Hr  | 6 Hr  | 8 Hr  | 10 Hr | 12 Hr | 20 Hr |
|----------------|------|-------|-------|-------|-------|-------|-------|-------|-------|-------|
| 1.85V          | 384.0 | 244.0 | 148.0 | 125.2 | 108.0 | 88.0  | 74.8  | 64.83 | 40.39 | -     |
| 1.80V          | 188.6 | 424.0 | 264.0 | 200.0 | 163.2 | 136.0 | 116.0 | 96.8  | 80.0  | 68.67 |

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